Malicious PDF — malware analysis report

Static analysis result for SHA-256 37f4cfd4537d7927…

MALICIOUS

PDF

17.7 KB Created: 2020-03-18 11:02:13 +00:00 Authoring application: mPDF 5.7
MD5: 2da41189f570414e672954cd7ea6ef6e SHA-1: 94d45881a43bd20daedaf26d91ae2a93ae861a7a SHA-256: 37f4cfd4537d79272d315b77bc2533ed2ccb4ebecebf5ff23af6c42015cd15a5
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to book titles on the domain 'ieuicufioao.myhome.cx'. This indicates a link farm or SEO poisoning attempt, likely designed to drive traffic or host malicious content. The ML classifier strongly supports the malicious verdict.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://ieuicufioao.myhome.cx/1555558553554/Bech-A-Book-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/3557550558559550/The-Complete-Henry-Bech-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/2552550554555/The-Coup-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/3551556559555554/Couples-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/5550551552559556/Rabbit-Run-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/2555559559556556/Rabbit-Redux-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/2555559558555558/Rabbit-At-Rest-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/2551556550559/Still-Looking-Essays-on-American-Art-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/3552557555550559/The-Witches-of-Eastwick-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/3552558553559558/The-Witches-of-Eastwick-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/1556550555554/Pigeon-Feathers-and-Other-Stories-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/4554555558550555/The-Best-American-Short-Stories-1984-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/1550559555552553552/Higher-Gossip-Essays-and-Criticism-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/1551550555552550/The-Witches-of-Eastwick-Eastwick-1-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/4557558553554/Rabbit-Omnibus-Rabbit-Run-Rabbit-Redux-Rabbit-Is-Rich-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/1559555558559556/Updike-by-Adam-Begley.pdf
    • http://ieuicufioao.myhome.cx/2559558554553552/The-Thing-The-Book-A-Monument-to-the-Book-as-Object-by-John-Herschend.pdf
    • http://ieuicufioao.myhome.cx/1551558552556551554/Too-Busy-for-what-Matters-Most-6-Priorities-of-the-Christian-Life-that-We-Must-Make-Time-for-Today-Spiritual-Growth-by-John-Stange-Book-4-by-John-Stange.pdf
    • http://ieuicufioao.myhome.cx/7553554553556559/Edition-1nd-Just-1-hour-Amazing-Singapore-Travelling-Book-Bring-this-book-to-travel-This-book-is-NEW-This-book-includes-7-important-expression-for-this-book-by-Takuji.pdf
    • http://ieuicufioao.myhome.cx/7553554556555558/Edition-1nd-Just-1-hour-Amazing-Singapore-Travelling-Book-Bring-this-book-to-travel-This-book-is-NEW-This-book-includes-7-important-expression-for-this-book-by-Takuji-Ekawa.pdf
    • http://ieuicufioao.myhome.cx/1550559555552553552/Higher-Gossip-Essays-and-Criticism-by-John

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